Southwest Airlines is the most reliable airline on the BNA to MIA route with a 77% on-time rate, compared to Spirit Airlines at 70%. Based on 2,401 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: BNA to MIA
Nashville to Miami — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines77%
American Airlines76%
73%
Spirit Airlines70%
BNA to MIA Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 77% | 0.8% | 56m | 2,401 |
| American AirlinesAA | 76% | 1.3% | 89m | 4,131 |
| MQ | 73% | 1.4% | 63m | 1,686 |
| Spirit AirlinesNKWorst | 70% | 3.0% | 76m | 304 |
Route Overview
75%
Overall On-Time
75m
Avg Delay
1.3%
Cancel Rate
8,673
Total Flights
Flying out of BNA? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.